we can create this using JavaScript code is given below:
----------------------------------------------------------------------------------
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script language="javascript" type="text/javascript">
function Focus(objname, waterMarkText) {
obj = document.getElementById(objname);
obj.value = "";
if (obj.value == "Aditya" || obj.value == "" || obj.value == null) {
obj.style.color = "black";
}
}
function Blur(objname, waterMarkText) {
obj = document.getElementById(objname);
if (obj.value == "") {
obj.value = waterMarkText;
}
if (obj.value == "Aditya" || obj.value == "" || obj.value == null) {
obj.style.color = "gray";
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<table>
<tr>
<td>
User Name
</td>
<td>
<asp:TextBox ID="txtUserId" runat="server"
onfocus="Focus(this.id,'Aditya')"
onblur="Blur(this.id,'Aditya')"
Width="126px" style="background-color:pink" >Aditya</asp:TextBox>
</td>
</tr>
</table>
</form>
</body>
</html>
------------------------------------------------------------------------------------
try this----------------------------------------------------------------------------------
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script language="javascript" type="text/javascript">
function Focus(objname, waterMarkText) {
obj = document.getElementById(objname);
obj.value = "";
if (obj.value == "Aditya" || obj.value == "" || obj.value == null) {
obj.style.color = "black";
}
}
function Blur(objname, waterMarkText) {
obj = document.getElementById(objname);
if (obj.value == "") {
obj.value = waterMarkText;
}
if (obj.value == "Aditya" || obj.value == "" || obj.value == null) {
obj.style.color = "gray";
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<table>
<tr>
<td>
User Name
</td>
<td>
<asp:TextBox ID="txtUserId" runat="server"
onfocus="Focus(this.id,'Aditya')"
onblur="Blur(this.id,'Aditya')"
Width="126px" style="background-color:pink" >Aditya</asp:TextBox>
</td>
</tr>
</table>
</form>
</body>
</html>
------------------------------------------------------------------------------------
